I am not a java user. So could anyone give me detailed instruction on rebuilding antlr v3 b2. I could not understand what on http://www.antlr.org/wiki/pages/viewpage.action?pageId=732, espcially CLASSPATH. Thanks. Jigang ___________________________________________________________ 抢注雅虎免费邮箱-3.5G容量,20M附件! http://cn.mail.yahoo.com